Fix sponge building

build.gradle

@@ -5,7 +5,7 @@ plugins {
     id 'io.github.goooler.shadow' version '8.1.7'
     id 'fabric-loom' version '1.7-SNAPSHOT' apply false
     id 'org.spongepowered.gradle.plugin' version '2.2.0' apply false
-    id 'org.spongepowered.gradle.vanilla' version '0.2.1-SNAPSHOT' apply false
+    id 'org.spongepowered.gradle.vanilla' version '0.2' apply false
 }
 
 shadowJar {

sponge/build.gradle

@@ -1,12 +1,10 @@
 import org.spongepowered.gradle.plugin.config.PluginLoaders
-import org.spongepowered.gradle.vanilla.repository.MinecraftPlatform
 import org.spongepowered.plugin.metadata.model.PluginDependency
 import com.github.jengelman.gradle.plugins.shadow.tasks.ShadowJar
 
 plugins {
     id 'io.github.goooler.shadow'
     id 'org.spongepowered.gradle.plugin'
-    id 'org.spongepowered.gradle.vanilla'
 }
 
 evaluationDependsOn(':common')
@@ -22,12 +20,6 @@ dependencies {
     api project(':common')
 }
 
-minecraft {
-    version '1.16.5'
-    platform MinecraftPlatform.SERVER
-    injectRepositories false
-}
-
 sponge {
     apiVersion("8.0.0")
     license("NO_LICENCE_YET")
@@ -101,9 +93,3 @@ task prepareServer(type: Copy) {
     }
 }
 
-runServer {
-    def runDir = System.getProperty("sponge.run.dir")
-    if (runDir != null) {
-        workingDir(runDir)
-    }
-}

sponge/src/com/elikill58/negativity/sponge/SpongeAdapter.java

@@ -51,7 +51,6 @@
 import net.kyori.adventure.text.TextComponent;
 import net.kyori.adventure.text.event.ClickEvent;
 import net.kyori.adventure.text.serializer.legacy.LegacyComponentSerializer;
-import net.minecraft.SharedConstants;
 
 public class SpongeAdapter extends Adapter {
 
@@ -66,13 +65,13 @@ public class SpongeAdapter extends Adapter {
 	private final SpongeItemRegistrar itemRegistrar = new SpongeItemRegistrar();
 	private final Scheduler scheduler;
 
-	public SpongeAdapter(SpongeNegativity plugin) {
+	public SpongeAdapter(SpongeNegativity plugin, int version) {
 		this.plugin = plugin;
 		this.logger = new Log4jAdapter(plugin.getLogger());
 		this.config = UniversalUtils.loadConfig(plugin.getConfigDir().resolve("config.yml").toFile(), "config.yml");
 
 		this.translationProviderFactory = new NegativityTranslationProviderFactory(plugin.getConfigDir().resolve("lang"), "Negativity", "CheatHover");
-		this.serverVersion = Version.getVersionByProtocolID(SharedConstants.getProtocolVersion());
+		this.serverVersion = Version.getVersionByProtocolID(version);
 		this.scheduler = new SpongeScheduler(plugin.getContainer());
 	}
 

sponge/src/com/elikill58/negativity/sponge/SpongeNegativity.java

@@ -43,6 +43,7 @@
 import com.elikill58.negativity.sponge.utils.Utils;
 import com.elikill58.negativity.universal.Adapter;
 import com.elikill58.negativity.universal.Negativity;
+import com.elikill58.negativity.universal.Version;
 import com.elikill58.negativity.universal.pluginMessages.NegativityMessagesManager;
 import com.elikill58.negativity.universal.storage.account.NegativityAccountStorage;
 import com.elikill58.negativity.universal.utils.UniversalUtils;
@@ -73,7 +74,7 @@ public SpongeNegativity(Logger logger, PluginContainer container, @ConfigDir(sha
 
 	@Listener
 	public void onConstructPlugin(ConstructPluginEvent event) {
-		Adapter.setAdapter(new SpongeAdapter(this));
+		Adapter.setAdapter(new SpongeAdapter(this, event.game().platform().minecraftVersion().dataVersion().orElse(Version.HIGHER.getFirstProtocolNumber())));
 		ChannelManager chan = Sponge.channelManager();
 		chan.ofType(ResourceKey.resolve("fml:hs"), RawDataChannel.class).play().addHandler(new FmlRawDataListener());
 		this.channel = chan.ofType(ResourceKey.resolve(NegativityMessagesManager.CHANNEL_ID), RawDataChannel.class);

sponge/src/com/elikill58/negativity/sponge/nms/SpongeVersionAdapter.java

@@ -1,5 +1,8 @@
 package com.elikill58.negativity.sponge.nms;
 
+import java.lang.reflect.Field;
+import java.lang.reflect.Method;
+
 import org.spongepowered.api.entity.living.player.server.ServerPlayer;
 
 import com.elikill58.negativity.api.packets.nms.VersionAdapter;
@@ -9,17 +12,27 @@
 import com.elikill58.negativity.universal.utils.ReflectionUtils;
 
 import io.netty.channel.Channel;
-import net.minecraft.network.Connection;
 
 public class SpongeVersionAdapter extends VersionAdapter<ServerPlayer> {
 
+	private Field connectionField;
+	private Method getConnectionMethod;
+
 	public SpongeVersionAdapter() {
 		super(Adapter.getAdapter().getServerVersion());
+		try {
+			connectionField = Class.forName("net.minecraft.server.level.ServerPlayer").getDeclaredField("connection");
+			getConnectionMethod = Class.forName("net.minecraft.server.network.ServerGamePacketListenerImpl").getDeclaredMethod("getConnection");
+		} catch (Exception e) {
+			e.printStackTrace();
+		}
 	}
 
 	public Channel getChannel(ServerPlayer p) {
 		try {
-			Connection co = ((net.minecraft.server.level.ServerPlayer) p).connection.getConnection();
+			//Connection co = ((net.minecraft.server.level.ServerPlayer) p).connection.getConnection();
+			Object playerConnection = connectionField.get(p);
+			Object co = getConnectionMethod.invoke(playerConnection);
 			Channel channel = ReflectionUtils.getFirstWith(co, co.getClass(), Channel.class);
 			return channel;
 		} catch (Exception e) {